| 摘要 |
A method of generating and redeeming an electronic coupon for a purchaser. The method comprises the steps of generating an electronic coupon at a central server 5, the coupon being, associated with a purchaser's identity, sending a request for the coupon from a point-of-sale 14 to the central server 5, the request identifying the purchaser; and sending the coupon from the central server 5 to the point-of-sale 14.
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